the is a hex shaped piece, 1-1/2" diameter by 5 inches long
this is printed at bambu standard setting.
I tried 12 loops and 25% gyroid infill and it was worse.
i am trying to print for strength
I then changed the temp from 290 to 300 and it was worse.
so lower temp? I printed some small pieces 2x3x.25 inchs, for testing and they printed perfect at stock settings.
the arrows show which surface was down.
The question of the year:
Did you dry the filament?
You beat me to it lol…
good question. I have had this a long time and thought was in a sealed bag and when I openned i notice the bag was open. I dried it in an oven for 6 hrs at 82C before printing.
that may not be long enough
That’s probably it. They recommend 8 to 12 hours at that temp but I usually end up doing it a little longer.
thanks! I was in a hurry and still am 
I have some more ordered that is PA12-CF
i think it will be here today
I got very nice prints with PA6-CF after drying at my dryers max of 65°C for 60h.
I increased the temp form 290 to 300. it didn’t change but I just noticed something, the support interface is ASA and that is where the problem is.
This last pic looks like your overhang angle for support generation is too shallow. Could just be perspective of course. What is the overhang at the bad areas? And do you have slow down for overhangs enabled? About a year ago that was a topic regarding PETG.
The ASA-PA6-CF interface itself is good?
Mhm. Strange. I was about to suggest to increase the support angle but the failure images do not quite match.
It looks more like you have a draft coming from the left front. However, your fans look like they are off as intended. The venerable draft shield from bed slinger times comes to mind but to be honest, it did not work that well at the time either. So, do you have a means to further increase your chamber temp just a little bit?
When I last printed PA6-CF I managed to get chamber temp to between 49 and 51°C. I can not recommend my method though as it certainly is not really safe and only doable when you are constantly with the printer. Let’s just say I had a nicely warm cardie when going outsides for a winter smoke… I did make sure to keep the rear unblocked though.
I will try to raise the chamber temp. It usually runs 46-48.
ok I have my chamber temp to 50c and it looks a lot better. Thanks!
